10-12 Exercise: A water supply company

1 like 0 dislike
24.7k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 24.7k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

  *       * * *** *** * ** * * *** *** * * ** *  
** **   * ***    * ** **  *
 *  ***     * ** *** *     ******* *     
** * *    **    *       ** * ** ***
* * * *** * **  ****    * ** ** ** * ***

  *  *    **   *  ** * *** **    **    **  *  ** *  *       
** **    * ** *     * *  **  * *  **  *  * *   * *  **  *** ** ***** * *   * 

 **   ** *   **   * * *   *  **  *  *  **  * **  *   ***** && a>30){
    *** **   *  * * **    * **   *****  *  **    * **    **  *  * **  **   *

  * *  *   * *   * ** *  ***** * * ** *  * **    *** ** && a>50){
      *  * **  *    *** ** ** * *  *** *  **  **    *  **  * ** * ** * *   **   

 *       *    * *  ***   *     * ***  * *  * *  ****     * **
 * *** *** *** **  ** **** ***** * * *   * *** *   **  **   *   **   *** * *  










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
****   *** ***    ****** a;
* * * ** *** *** * *  ***  *     *    **  * ***** * **  ** *   
  ** **       ** * ** ***  * ***
     ***** *   * **    **       *    * *    **   ** **  *  *  * %.2f",a*0.6+10);
  ** ** *** *** ** ******* **  *** if(a<=50)
**  *****  ** ****    * **   ** ****  *  **  *** *** * **   * * *  *** %.2f",(30*0.6)+(a-30)*0.8+10);
* ** * *  * * * ** ***    *******    if(a<=60)
 ***   * **   *** ** *** * *  *  * * *    *** *   ** ***  *  * * ** * ***  ** *  *  *  **  * ***  ****  
    * ***    * *********** *   *****
  ******   ** ** *  *   *  *** * **    *   **** * *    *    ***     ** **  *    ***  ****    *  **** * * **
* ***  ** *  * ****    ***  0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include **    * *****   * *

int main ()

{
*** * *   * **   * ***  ** *   userinput, a, b, c, extra;

*** **  *** ** **      * *     **** * ****    * &userinput);
 *** * * * **  **  **** * **  *** (userinput<31)
* ****  * *  **   **  **  *
** *   *  *   *  ** *  **   *  ***  ** *   *     * **  **** = userinput * 0.6;
 ***  *  ** **** ** **   **** * *** * *** **  * * *  * *   * *  %.2f", a+10);
  * ****   ****** * **   *  **
*** *  * *** **      *      **  if (userinput<51)
  ***  *   *   ** *  * * *  *
  *   * *     **  *   **     * *  ** ***** ** ** ** *  *  = (userinput - 30)*0.8+30*0.6;
*** *   **   *******  *   *  * *  **  *  * *  *    ** **  * ** ** * %.2f", b+10);
**       ***     * ******* * * **
** ** ** *   *     *   ****   ** * if ***  ***  * **
* ***  **    **    ***  ** *** 
* **  * *   * *  * ******** *   *** * * * * *   **** = (userinput - 50)*1+30*0.6+20*0.8;
* ** ****    *  ***   * *    ** ***   ** * ********* * *** * ***   %.2f", c+10);
**   *  *    *  ** * *** * * 
 ***** *** *  * *    *     **** ** *
 **     *** *  ** *** * *     
*  * *  ***  **      *  **   ***** *    * ** *  * ** * = (userinput - *    * *  *  * **
 ***      ***    *  ***    *  **** *   * *  ** *    ***** ** ** * * ***  ***** %.2f", extra+10);
**     ***  ** *         ****** 


**   *     * * *      ** *    * 0;

}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 *******  ******  * **
#define FIXED_AMOUNT 10
int main()
{
 ** *** * * **  *  *** *  x, first_30cb, ** ** *     * next_10cb, add_metercb;
 * ** *    **** * *** ****  ****  *****  * &x);
 * *  **  *     *   *   (x<31)
  * *   **          *** 
*  * ***  *    ****  * *  ***     * * **  *  * **    *  * = FIXED_AMOUNT + x*0.6;
  * **  *  ** * **  ****  **** * ****  * *    **      *   * ** * **    *   * **    *  
* * ** * *  * * *  
**** * ***  ** *** *** *** if (x<51)
* ****** *  * ***     *
   **  * ****  *** **** **     ** * ***     * **  * ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
* **  * **  *  *  * *     *   ** *    **** ** ** *** ***     **   **   *   ** *** 
 ***** *   ****   * **** 
*** **       **  ***   if (x<61)
  *  *  ** *****  *  **
         ***** *  **    *  ** * ******* **     = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*** * ****  * *  *  * *  ** * * * ** * *        *** * * *  *     *****  *   
**    **   *  *  * ** 
  *  **   *****    
* ** * *   * * * * * * **  
*  **   ** *  * *  *** *   **   *     *   *  *****    *   = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
*** **     ******* **  ***   *  * *** ** * *    **   **   *** *** *** * ***  *          *   ** * **
    *    *  *    **   *  * *

  * ** ** *******  *   * 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

*   **  *    *     ** * ** *  * *****  **** ** *    **
*  * * * * **  *   ****** ** ** **   
**  ****   * * *   ** *   ** * ** *****
**** ****** * * **  ** *  *   *  * **
 *   *    *      *******   **  ***

*** **    ** * ******  * * *  * *  **** ** ** **  *  ** * 
* **    *   ****   ** *  ***  * ****   **   *  *  * *******   **   

 ** **  * **  ***   ** **  ** * **  **  *  **  **  * && a>30){
   * * *   *  **  **  **     *  ****   * *   *  * ** * **   * *** ** ** * **   * *  *** 

    * *****     *****      *     * * **  *** *  * * *    * * && a>50){
**  *        ***** * * *      * ***    * *  *  * **  *  ***   * **** **

 * *    ****  * *   *     * ** ***  **  **  * * ******
** *    *  *  * *   ***** *      *   ***** *   *** **  *  *** *** *** * * *










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
****** **  *   ****  **     ** a;
  **  *   **  **  *** * ** **  * * ****   * **  *  
 * *  *   * * *    **  **   **   *  *
* **         * *  *** ***  *  *   *     **    ** *  *  ** * *  * * * ***** 
    else if(a<=50)
***   ****   * * * ** * *  * *   ** *  * *  *   *    ** * * *  *   * * **  *  *      * *  ***  *  ***    * *
*   * *** *  ** *     ***  *   *  if(a<=60)
 **  * *   ** ***         *   * *   * **         * ** *****         ** ** * * *    *   *** * * * * 
  * ** *** *  * * *      * *        
* * ** * *  ***** ****   **   **  * **   *  ***** ** **** * *******   *  *      * * * *        * * ***     *
    **    **   * *  ** * **  ***** * 0;
}
answered by (-258 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
** *  * ***    *  *

 *     ***     ** *** 



int main()

{
***  * * *  * ***    ** * *  * total = 0;

   **  * ****    * ** * amount = 0;

   **** ** *  * * ***  ****** ****** * * **    *****      

** ****  * *   *  * * *  **    * amount **   30 )
   *   * *   **** *  *  ** ** *
 *   *  *** * * ***** *   *  * * **  *   **   ****   = amount * 0.6 + 10;
**** * *   ** ****  ******  

** *    ****  *   * **      if( amount   * *  50 )
    * ** * **    * * *** *  *
** *  *  *****  **    ***    *  **   ***** ***    *** *   = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
** *    * **     ** *  * *

*** *** * *** ******** **  ** *   if( amount  * *** 60 )
*   ****    * * *   *  * * 
****  ** * *  ** * * *  * ** * ** * * ***  ** * * ** ** = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
  ***** *      ****   ******* *** 

 *  * *   * ** *** * *** ***   *
   ** * * ****    *  *  ***  
** * **  *** * * ** **  * ****** **  * ******   * **   * * * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
 * ***   *   *** * * ** *  *

***     *  *   *****   * ******     *** *  * *  *** 
*   *  ** ***   *    *** ** * * *     0;

}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 *  ***  *  *     **
#define FIXED_AMOUNT 10
int main()
{
 *   **    * **  *    ***   x, first_30cb,  *   * *    ** next_10cb, add_metercb;
****   *    * *********** * **    *** * ***  &x);
   *  ****   *  *   *  (x<31)
   * * *** ******* *  
  * **  * * *  *  *  * * * **  * * *  ** ***      **  * ***  = FIXED_AMOUNT + x*0.6;
    ***  ***   * ** *  * **** **  * ** * ** **      **   ** *** **  * **  *** ***  *
  **** *   *    ****  
   *  **   *   *  **    * if (x<51)
 ***   *   ** ** * *
 **   *  *** *   ** **  *  * ***     * ** *    *  = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
**   *    *      *   *  *  **    * **  *  * * *  *     ***   ***  ****** ** *    *  **
* *  *      * *  **** 
 *** * * **    *   if (x<61)
  *  * *  ** *     ***
 ***      **   * *   * **   **       *  **   * *   *    = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
        ***  ** *** *   ** **     *  * *   ** *****  *  *     ** * * ** *     **   **
*** *  ** **** ***   *
**  ** *  * **** * * *
  *****  *  * *  ***      **
   *   ** *     **  ** * * ** **** * *****           * = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
 * * **  **  ***  ***** * *   * * * * ** ** *     ***   ** ****  *  *  ******   **  *   * * 
  **   *** ** *   ** *  *  

   *    *  **  ****** *** 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
****  *   * **  ** 

 *  *  *   ** *** *****



int main()

{
****  * * ***     ** * ***   *** *  total = 0;

**** *** *** * *       *       ** += 10;

   * **     ***  **   * *  * * **** amount = 0;

** *********  * * *  **     *****  ** ** ** *       **** * * * 

*  *  *** **  * *** * *       amount *    * 30 )
** * ** *  *** ** *** *    *
*     *   ** ** * * ** *   * **   * * ** *** *  *     **  *      = amount * 0.6 + 10;
* *  **** ***** * *  **  

***   * **   ** ******  **  ***** if( amount  * *  50 )
 ** *     * * ** ** * *  
*  * * ***  *** ***  *** *  * * **    * ** * ******  ** **  = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
 *** * **   *** * *   * 

* * * *  * **** **     **   ** if( amount *  ** 60 )
  **     **  ***** ** * *** 
  ***   *       ** **** *** * *****  *   **** *      *  ** = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
*  **  ** ** * * *****  **

 * ****   *  ******   * *   * *  
 ** *** *** * ***** ***    * * *
    *   * *  **** **    *   ** **** ***  *  * * **    * * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
 * ***  * * *****    *  *  *  

   * **  * ** *  **** *   * **    ***  *  *   ***   *
**   *******   *    * *  * ** 0;

}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
* *   ** * * **    *  ** 
#define FIXED_AMOUNT 10
int main()
{
 ***** *  *  *** ** * * *  x, first_30cb,    * *     next_10cb, add_metercb;
       ** * * *  *** * * ******     *  ** **  &x);
*  * *  *  ***  ** *  (x<31)
 *** **    ****** 
*   *   *  ***** *  ***** *   *       * *    * ** = FIXED_AMOUNT + x*0.6;
*  * **   * ***** * *** * *  *   *** * ** **  * ***   *    ** * *** * *  *  * * *
 ** *  * * **  * *
 **** *  * * ** * if (x<51)
** ****     * ** **       
**** *      *** *** *  **** * *      * ** * * ** ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
****      * * **  *  ***   *  ** * * *   ** * **  *  *****  *  * ** * **     **   ** 
   *    *    **   * * 
 * *   *  ***    ** *  ** if (x<61)
  *  * ***  ***
 **  * *  ** *** ** ***  **  ****  *    *  **     = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*  * **    *****     ** ***   ****** *      *  ***  * * * *  * * **  * ***  * * **
 * * * *   **  ***  **   * * 
      * * * **  * ***
   *    *   ********** *    
* ***   *     ****    ****    ** *     * *****  *       *   **** * = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
 * *  *   * ****  * **** * ***** **  * *    **  * * *   *   **  ** **  * * * ****  *      
*    ** ****** **  *  *** ** 

 *  **    *   **  *****   **  0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.236
©2016-2026

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 19.8k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 18.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users